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<a href="sobol_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2010-2011, NVIDIA Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"> *   * Redistributions of source code must retain the above copyright</span>
<a name="l00008"></a>00008 <span class="comment"> *     notice, this list of conditions and the following disclaimer.</span>
<a name="l00009"></a>00009 <span class="comment"> *   * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00010"></a>00010 <span class="comment"> *     notice, this list of conditions and the following disclaimer in the</span>
<a name="l00011"></a>00011 <span class="comment"> *     documentation and/or other materials provided with the distribution.</span>
<a name="l00012"></a>00012 <span class="comment"> *   * Neither the name of NVIDIA Corporation nor the</span>
<a name="l00013"></a>00013 <span class="comment"> *     names of its contributors may be used to endorse or promote products</span>
<a name="l00014"></a>00014 <span class="comment"> *     derived from this software without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND</span>
<a name="l00017"></a>00017 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</span>
<a name="l00018"></a>00018 <span class="comment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE</span>
<a name="l00019"></a>00019 <span class="comment"> * DISCLAIMED. IN NO EVENT SHALL &lt;COPYRIGHT HOLDER&gt; BE LIABLE FOR ANY</span>
<a name="l00020"></a>00020 <span class="comment"> * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span>
<a name="l00021"></a>00021 <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;</span>
<a name="l00022"></a>00022 <span class="comment"> * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND</span>
<a name="l00023"></a>00023 <span class="comment"> * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00024"></a>00024 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00025"></a>00025 <span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<a name="l00027"></a>00027 
<a name="l00032"></a>00032 <span class="preprocessor">#pragma once</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;nih/basic/types.h&gt;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;nih/sampling/sobol_matrices.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;limits.h&gt;</span>
<a name="l00037"></a>00037 
<a name="l00038"></a>00038 <span class="keyword">namespace </span>nih {
<a name="l00039"></a>00039 
<a name="l00048"></a>00048 
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 
<a name="l00051"></a><a class="code" href="classnih_1_1_sobol__sampler.html">00051</a> <span class="keyword">class </span><a class="code" href="classnih_1_1_sobol__sampler.html">Sobol_sampler</a>
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053   <span class="keyword">public</span>:
<a name="l00054"></a>00054     <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> max = UINT_MAX;
<a name="l00055"></a>00055 
<a name="l00058"></a>00058     FORCE_INLINE NIH_HOST_DEVICE <a class="code" href="classnih_1_1_sobol__sampler.html#ae85ae0890768f5c68bbccc3e03a8030e">Sobol_sampler</a>();
<a name="l00059"></a>00059 
<a name="l00064"></a>00064     FORCE_INLINE NIH_HOST_DEVICE <a class="code" href="classnih_1_1_sobol__sampler.html#ae85ae0890768f5c68bbccc3e03a8030e">Sobol_sampler</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> instance, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> s = 0);
<a name="l00065"></a>00065 
<a name="l00068"></a>00068     FORCE_INLINE NIH_HOST_DEVICE <span class="keywordtype">float</span> <a class="code" href="classnih_1_1_sobol__sampler.html#a536af034afaf8959883dead62f862973">sample</a>();
<a name="l00071"></a>00071     FORCE_INLINE NIH_HOST_DEVICE <span class="keywordtype">float</span> <a class="code" href="classnih_1_1_sobol__sampler.html#a4489c6a4fe29833a3591e86dc2c477e5">next</a>();
<a name="l00072"></a>00072 
<a name="l00077"></a>00077     <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classnih_1_1_sobol__sampler.html#a59f0f2ef1de20df8885808483a2703c6">generator_matrices</a>(
<a name="l00078"></a>00078         <span class="keyword">const</span> <span class="keywordtype">char</span>* direction_numbers,
<a name="l00079"></a>00079         <span class="keyword">const</span> <span class="keywordtype">char</span>* matrix_file);
<a name="l00080"></a>00080 
<a name="l00081"></a>00081   <span class="keyword">private</span>:
<a name="l00084"></a>00084     FORCE_INLINE NIH_HOST_DEVICE <span class="keywordtype">void</span> next_dim();
<a name="l00085"></a>00085 
<a name="l00089"></a>00089     FORCE_INLINE NIH_HOST_DEVICE 
<a name="l00090"></a>00090     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sobol( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i );
<a name="l00091"></a>00091 
<a name="l00094"></a>00094     <span class="keyword">static</span> <span class="keywordtype">int</span> generator_matrix(
<a name="l00095"></a>00095         <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> a,
<a name="l00096"></a>00096         <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> s,
<a name="l00097"></a>00097         <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> * <span class="keyword">const</span> m,
<a name="l00098"></a>00098         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> * <span class="keyword">const</span> matrix, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> matrixSize);
<a name="l00099"></a>00099 
<a name="l00100"></a>00100     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>  m_dim;
<a name="l00101"></a>00101     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>  m_r;
<a name="l00102"></a>00102     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>  m_i;
<a name="l00103"></a>00103     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* s_matrix;
<a name="l00104"></a>00104 };
<a name="l00105"></a>00105 
<a name="l00109"></a><a class="code" href="structnih_1_1_sobol__sequence.html">00109</a> <span class="keyword">struct </span><a class="code" href="structnih_1_1_sobol__sequence.html">Sobol_sequence</a>
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111     <span class="keyword">typedef</span> <a class="code" href="classnih_1_1_sobol__sampler.html">Sobol_sampler</a> <a class="code" href="classnih_1_1_sobol__sampler.html">Sampler_type</a>;
<a name="l00112"></a>00112 
<a name="l00117"></a><a class="code" href="structnih_1_1_sobol__sequence.html#a8cac1a23f629be98fd3c62f10b68b648">00117</a>     <a class="code" href="classnih_1_1_sobol__sampler.html">Sobol_sampler</a> <a class="code" href="structnih_1_1_sobol__sequence.html#a8cac1a23f629be98fd3c62f10b68b648">instance</a>(
<a name="l00118"></a>00118         <span class="keyword">const</span> uint32 index,
<a name="l00119"></a>00119         <span class="keyword">const</span> uint32 copy = 0)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classnih_1_1_sobol__sampler.html">Sobol_sampler</a>( index, copy ); }
<a name="l00120"></a>00120 };
<a name="l00121"></a>00121 
<a name="l00125"></a>00125 } <span class="comment">// namespace nih</span>
<a name="l00126"></a>00126 
<a name="l00127"></a>00127 <span class="preprocessor">#include &lt;nih/sampling/sobol_inline.h&gt;</span>
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